JP7470086B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP7470086B2 JP7470086B2 JP2021148366A JP2021148366A JP7470086B2 JP 7470086 B2 JP7470086 B2 JP 7470086B2 JP 2021148366 A JP2021148366 A JP 2021148366A JP 2021148366 A JP2021148366 A JP 2021148366A JP 7470086 B2 JP7470086 B2 JP 7470086B2
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- 239000004065 semiconductor Substances 0.000 title claims description 99
- 150000004767 nitrides Chemical class 0.000 claims description 22
- 230000017525 heat dissipation Effects 0.000 claims description 12
- 230000005669 field effect Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 description 33
- 239000002184 metal Substances 0.000 description 33
- 239000000463 material Substances 0.000 description 29
- 229910000679 solder Inorganic materials 0.000 description 19
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 7
- 229910052709 silver Inorganic materials 0.000 description 7
- 239000004332 silver Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 230000003071 parasitic effect Effects 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 108010075750 P-Type Calcium Channels Proteins 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910002601 GaN Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- 108091006146 Channels Proteins 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005533 two-dimensional electron gas Effects 0.000 description 1
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Description
第1実施形態の半導体装置1について、図1~図5を参照して説明する。
第2実施形態の半導体装置2について、図6~図8を参照して説明する。第2実施形態において、第1実施形態と同じ構成には同じ符号を付し、説明を省略する場合がある。
第3実施形態の半導体装置3について、図9~図14(b)を参照して説明する。
Claims (9)
- 第1面と、前記第1面の反対側の第2面と、第1導電型の窒化物半導体層を含む第1半導体層と、前記第1面に設けられた第1電極パッドと、前記第1面に設けられた第2電極パッドと、前記第1面に設けられた第1ゲートパッドと、前記第1面に設けられた第3電極パッドと、を有する第1の型の第1チップと、
前記第1チップの前記第1面上に設けられた前記第1の型と異なる第2の型の第2チップであって、前記第1チップの前記第1面に対向する第3面と、前記第3面の反対側の第4面と、第2導電型のチャネルを含む第2半導体層と、前記第4面に設けられた第4電極パッドと、前記第3面に設けられ、前記第1チップの前記第2電極パッドに接合された第5電極パッドと、前記第3面に設けられ、前記第1チップの前記第3電極パッドに接合された第2ゲートパッドとを有する第2チップと、
を備える半導体装置。 - 前記第1ゲートパッドと電気的に接続される第1ゲート端子と、前記第2電極パッドと電気的に接続される電源端子と、前記第3電極パッドと電気的に接続される第2ゲート端子と、をさらに備え、
前記第2電極パッドは、前記第1面に平行な第1方向において前記第1ゲートパッドと前記第3電極パッドとの間に位置し、
前記電源端子は、前記第1方向において前記第1ゲート端子と前記第2ゲート端子との間に位置する請求項1に記載の半導体装置。 - 第1面と、前記第1面の反対側の第2面と、第1導電型の窒化物半導体層を含む第1半導体層と、前記第1面に設けられた第1電極パッドと、前記第1面に設けられた第2電極パッドと、前記第1面に設けられた第1ゲートパッドと、を有する第1の型の第1チップと、
前記第1チップの前記第1面上に設けられた前記第1の型と異なる第2の型の第2チップであって、前記第1チップの前記第1面に対向する第3面と、前記第3面の反対側の第4面と、第2導電型のチャネルを含む第2半導体層と、前記第3面に設けられ、前記第1チップの前記第2電極パッドに接合された第3電極パッドと、前記第3面に設けられた第2ゲートパッドと、前記第4面に設けられた第4電極パッドと、前記第4面に設けられた第3ゲートパッドと、前記第3面と前記第4面との間を貫通し、前記第2ゲートパッドと前記第3ゲートパッドとを電気的に接続する接続部材とを有する第2チップと、
を備える半導体装置。 - 前記第1ゲートパッドと電気的に接続される第1ゲート端子と、前記第2電極パッドと電気的に接続される電源端子と、前記第3ゲートパッドと電気的に接続される第2ゲート端子と、をさらに備え、
前記電源端子は、前記第1面に平行な第1方向において前記第1ゲート端子と前記第2ゲート端子との間に位置する請求項3に記載の半導体装置。 - 前記第1チップは、HEMT(High Electron Mobility Transistor)を含み、
前記第2チップは、pチャネル型のMOSFET(Metal-Oxide-Semiconductor Field Effect Transistor)を含む請求項1~4のいずれか1つに記載の半導体装置。 - 第1接合部を有する第1導電部材と、
第2接合部と第3接合部とを有する第2導電部材と、
第4接合部を有する第3導電部材と、
第1の型の第1チップと、
前記第1の型の第2チップと、
前記第2導電部材の前記第2接合部上に設けられた前記第1の型と異なる第2の型の第3チップと、
前記第3導電部材の前記第4接合部上に設けられた前記第2の型の第4チップと、
を備え、
前記第1チップ及び前記第2チップのそれぞれは、第1面と、前記第1面の反対側の第2面と、第1導電型の窒化物半導体層を含む第1半導体層と、前記第1面に設けられた第1電極パッドと、前記第1面に設けられた第2電極パッドとを有し、
前記第3チップ及び前記第4チップのそれぞれは、前記第1面に対向する第3面と、前記第3面の反対側の第4面と、第2導電型のチャネルを含む第2半導体層と、前記第4面に設けられた第3電極パッドと、前記第3面に設けられた第4電極パッドとを有し、
前記第1チップの前記第1電極パッドは、前記第1導電部材の前記第1接合部に接合され、
前記第3チップの前記第3電極パッドは、前記第2導電部材の前記第2接合部に接合され、
前記第1チップの前記第2電極パッドは、前記第3チップの前記第4電極パッドに接合され、
前記第2チップの前記第1電極パッドは、前記第2導電部材の前記第3接合部に接合され、
前記第4チップの前記第3電極パッドは、前記第3導電部材の前記第4接合部に接合され、
前記第2チップの前記第2電極パッドは、前記第4チップの前記第4電極パッドに接合されている半導体装置。 - 前記第1チップの前記第2面上及び前記第2チップの前記第2面上に設けられた放熱部材をさらに備える請求項6に記載の半導体装置。
- 第4導電部材をさらに備え、
前記第3チップ及び前記第4チップのそれぞれは、前記第3面に設けられ、ワイヤによって前記第4導電部材と電気的に接続されたゲートパッドをさらに有する請求項6または7に記載の半導体装置。 - 前記第1チップ及び前記第2チップは、HEMT(High Electron Mobility Transistor)を含み、
前記第3チップ及び前記第4チップは、pチャネル型のMOSFET(Metal-Oxide-Semiconductor Field Effect Transistor)を含む請求項6~8のいずれか1つに記載の半導体装置。
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